package com.atguigu.gulimall.order.web;

import com.atguigu.common.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {


    @Autowired
    OrderService orderService;

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo orderSubmitVo, Model model, RedirectAttributes redirectAttributes){

        try{
            SubmitOrderResponseVo response =orderService.submitOrder(orderSubmitVo);
            if(response.getCode()==0){

                model.addAttribute("submitOrderResp",response);
                return  "pay";
            }else{
                String msg = "下单失败：";
                switch (response.getCode()){
                    case 1: msg+="订单信息过期，请刷新再次提交";break;
                    case 2: msg +="订单商品价格发生变化，请确认后再次提交";break;
                    case 3: msg+="库存锁定失败，商品库存不足";break;
                }


                redirectAttributes.addFlashAttribute("msg",msg);
                return "redirect:http://order.gulimall.com/toTrade";
            }
        }catch (Exception e){
            if(e instanceof NoStockException){
                String message = ((NoStockException) e).getMessage();
                redirectAttributes.addFlashAttribute("msg",message);
            }


            return "redirect:http://order.gulimall.com/toTrade";
        }



    }

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo orderItemVo =  orderService.confirm();
model.addAttribute("order",orderItemVo);
        System.out.println(orderItemVo);

        return "confirm";
    }
}
